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Amazon AWS Certified Developer Associate Exam Sample Questions (Q370-Q375):

NEW QUESTION # 370
If a message is retrieved from a queue in Amazon SQS, how long is the message inaccessible to other users by default?

  • A. forever
  • B. 1 day
  • C. 0 seconds
  • D. 1 hour
  • E. 30 seconds

Answer: E
NEW QUESTION # 371
An application is running on a cluster of Amazon EC2 instance. While trying to read objects stored within a single Amazon S3 bucket that are encrypted with server-side encryption with AWS KMS managed keys (SSE-KMS), the application receives the following error.
Service : AWSKMS: Status Code: 400: Code : ThrottlingException
Which combination of steps should be taken to prevent this failure? (Select TWO.)

  • A. Use more than one customer master key (CMK) to encrypt S3 data
  • B. Contact AWS Support to request an AWS KMS rate limit increase.
  • C. Perform error retries with exponential backoff in the application code.
  • D. Contact AWS Support to request a S3 rate limit increase.
  • E. Import a customer master key (CMK) with a larger key size.

Answer: B,D
NEW QUESTION # 372
An application is being developed to audit several AWS accounts. The application will run in Account A and must access AWS services in Accounts B and C.
What is the MOST secure way to allow the application to call AWS services in each audited account?

  • A. Configure cross-account roles in each audited account. Write code in Account A that assumes those roles
  • B. Deploy an application in each audited account with its own role. Have Account A authenticate with the application
  • C. Create an IAM user with an access key in each audited account. Write code in Account A that uses those access keys
  • D. Use S3 cross-region replication to communicate among accounts, with Amazon S3 event notifications to trigger Lambda functions

Answer: C
NEW QUESTION # 373
A company has deployed an application on AWS Elastic Beanstalk. The company has configured the Auto Scaling group that is associated with the Elastic Beanstalk environment to have five Amazon EC2 instances If the capacity is fewer than four EC2 instances during the deployment, application performance degrades. The company is using the all-at-once deployment policy What is the MOST cost-effective way to solve the deployment issue?

  • A. Change the deployment policy to traffic splitting Specify an evaluation time of 1 hour
  • B. Change the Auto Scaling group to six desired instances
  • C. Change the deployment policy to rolling with additional batch Specify a batch size of 1.
  • D. Change the deployment policy to rolling Specify a batch size of 2

Answer: C
NEW QUESTION # 374
A nightly batch job loads 1 million new records into a DynamoDB table. The records are only needed for one hour, and the table needs to be empty by the next night's batch job.
Which is the MOST efficient and cost-effective method to provide an empty table?

  • A. Create and then delete the table after the task has completed.
  • B. Use DeleteItem using a ConditionExpression.
  • C. Use BatchWriteItem to empty all of the rows.
  • D. With a recursive function that scans and calls out DeleteItem.

Answer: A Explanation:
"Deleting an entire table is significantly more efficient than removing items one-by-one, which essentially doubles the write throughput as you do as many delete operations as put operations"
NEW QUESTION # 375
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